Home / 3,091.50-4,268.23-2,031.15

Finding the Fourth Proportional to 3,091.50, 4,268.23 and 2,031.15

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Solution

The fourth proportional to 3,091.50, 4,268.23 and 2,031.15 is: 2,804.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.50 : 4,268.23 = 2,031.15 : x
  2. Step 2: Convert to fraction form
    3,091.50/4,268.23 = 2,031.15/x
  3. Step 3: Cross multiply
    3,091.50x = 4,268.23 × 2,031.15
  4. Step 4: Simplify right side
    3,091.50x = 8,669,415.36
  5. Step 5: Solve for x
    x = 8,669,415.36/3,091.50
  6. Step 6: Final answer
    x = 2,804.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.